The magnetospheric electric field and convective processes as diagnostics of the IMF and solar wind

Details The magnetospheric electric field and convective processes as diagnostics of the IMF and solar wind The magnetospheric electric field and convective processes as diagnostics of the IMF and solar wind

Dec 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979stp.....2..375k&link_type=abstract

In NASA. Marshall Space Flight Center Solar-Terrest. Predictions Proc., Vol. 2 p 375-384 (SEE N80-24678 15-42)

Computer Science

Convection, Earth Magnetosphere, Electric Fields, Interplanetary Magnetic Fields, Solar Wind, Geomagnetism, Magnetic Variations, Solar Terrestrial Interactions, Solar Wind Velocity

Scientific paper

Indirect measurements of the convection field as well as direct of the ionospheric electric field provide a means to at least monitor quanitatively solar wind processes. For instance, asymmetries in the ionospheric electric field and ionospheric Hall currents over the polar cap reflect the solar wind sector polarity. A stronger electric field, and thus convective flow, is found on the side of the polar cap where the y component of the IMF is parallel to the y component of the geomagnetic field. Additionally, the magnitude of the electric field and convective southward BZ and/or solar wind velocity, and thus may indicate the arrival at Earth of an interaction region in the solar wind. It is apparent that processes associated with the convention electric field may be used to predict large scale features in the solar wind; however, with present empirical knowledge it is not possible to make quantitative predictions of individual solar wind or IMF parameters.

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